diff --git a/addons/project/project.py b/addons/project/project.py
index f15656905ca..edd4e0c614a 100644
--- a/addons/project/project.py
+++ b/addons/project/project.py
@@ -1097,9 +1097,18 @@ class task(base_stage, osv.osv):
 
             }, context=context)
         return True
-
+    
+    def project_message_followers(self, cr, uid, task_id, context=None):
+        project_obj = self.pool.get("project.project")
+        project_id = self.browse(cr, uid, task_id, context=context).project_id
+        if project_id:
+            followers = [follower.id for follower in project_obj.browse(cr, uid, project_id.id, context=context).message_follower_ids]
+            self.message_subscribe(cr, uid, task_id, followers, context=context)
+        return True
+    
     def create(self, cr, uid, vals, context=None):
         task_id = super(task, self).create(cr, uid, vals, context=context)
+        self.project_message_followers(cr, uid, task_id, context=context)
         self._store_history(cr, uid, [task_id], context=context)
         self.create_send_note(cr, uid, [task_id], context=context)
         return task_id
diff --git a/addons/project_issue/project_issue.py b/addons/project_issue/project_issue.py
index 6121acbd607..ea3a892eb32 100644
--- a/addons/project_issue/project_issue.py
+++ b/addons/project_issue/project_issue.py
@@ -379,8 +379,16 @@ class project_issue(base_stage, osv.osv):
         self.write(cr, uid, ids, {'date_open': False, 'date_closed': False})
         return res
 
+    def project_message_followers(self, cr, uid, issue_id, context=None):
+        project_obj = self.pool.get("project.project")
+        project_id = self.browse(cr, uid, issue_id, context=context).project_id
+        followers = [follower.id for follower in project_obj.browse(cr, uid, project_id.id, context=context).message_follower_ids]
+        self.message_subscribe(cr, uid, issue_id, followers, context=context)
+        return True
+
     def create(self, cr, uid, vals, context=None):
         obj_id = super(project_issue, self).create(cr, uid, vals, context=context)
+        self.project_message_followers(cr, uid, obj_id, context=context)
         self.create_send_note(cr, uid, [obj_id], context=context)
         return obj_id